An ERP System consisting on a complete company automation

Hello Bidders, We are a Health Care Company in USA. We are into this business for last 10 years. Till date all the work was going manually and now we feel that we need to go for automation. Our company is having HR, Accounts, Sales, Marketing, Production department and we want to create one Intranet Application, which will take care of all the modules listed above. This application will be made in such a way that when we want, we can take this application on Internet. All the designing work will be provided by the company. All the forms for data entry will also be provided by the company. We will share business process flow to the winner. Technology we want : ASP.NET Please share your proposal with us. Regards.